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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2008 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: HL7Util.html 21 2014-09-19 19:17:15Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.hl7;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Utility methods.<a name="line.11"></a>
<span class="sourceLineNo">012</span> */<a name="line.12"></a>
<span class="sourceLineNo">013</span>public final class HL7Util {<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>    private HL7Util() {<a name="line.15"></a>
<span class="sourceLineNo">016</span>    }<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>    /**<a name="line.18"></a>
<span class="sourceLineNo">019</span>     * Convenience method. Equivalent to:<a name="line.19"></a>
<span class="sourceLineNo">020</span>     *  &lt;blockquote&gt;<a name="line.20"></a>
<span class="sourceLineNo">021</span>     *  &lt;code&gt;find(value, sep, 0, sep.length())&lt;/code&gt;<a name="line.21"></a>
<span class="sourceLineNo">022</span>     *  &lt;/blockquote&gt;<a name="line.22"></a>
<span class="sourceLineNo">023</span>     */<a name="line.23"></a>
<span class="sourceLineNo">024</span>    public static int[] find(String value, char sep) {<a name="line.24"></a>
<span class="sourceLineNo">025</span>        return find(value, sep, 0, value.length());<a name="line.25"></a>
<span class="sourceLineNo">026</span>    }<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>    /**<a name="line.28"></a>
<span class="sourceLineNo">029</span>     * Convenience method. Equivalent to:<a name="line.29"></a>
<span class="sourceLineNo">030</span>     *  &lt;blockquote&gt;<a name="line.30"></a>
<span class="sourceLineNo">031</span>     *  &lt;code&gt;find(value, sep, start, sep.length())&lt;/code&gt;<a name="line.31"></a>
<span class="sourceLineNo">032</span>     *  &lt;/blockquote&gt;<a name="line.32"></a>
<span class="sourceLineNo">033</span>     */<a name="line.33"></a>
<span class="sourceLineNo">034</span>    public static int[] find(String value, char sep, int start) {<a name="line.34"></a>
<span class="sourceLineNo">035</span>        return find(value, sep, start, value.length());<a name="line.35"></a>
<span class="sourceLineNo">036</span>    }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>    /**<a name="line.38"></a>
<span class="sourceLineNo">039</span>     * Find all occurrences of the separator character in the sub-string.<a name="line.39"></a>
<span class="sourceLineNo">040</span>     *<a name="line.40"></a>
<span class="sourceLineNo">041</span>     * @param value entire string<a name="line.41"></a>
<span class="sourceLineNo">042</span>     * @param sep separator character to search for<a name="line.42"></a>
<span class="sourceLineNo">043</span>     * @param start starting index of sub-string to search (inclusive)<a name="line.43"></a>
<span class="sourceLineNo">044</span>     * @param end ending index of sub-string to search (exclusive)<a name="line.44"></a>
<span class="sourceLineNo">045</span>     * @return indexes of all occurrences of &lt;code&gt;sep&lt;/code&gt;, in order, plus one extra index equal to &lt;code&gt;end&lt;/code&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span>     * @throws StringIndexOutOfBoundsException if &lt;code&gt;start&lt;/code&gt; is less than zero or &lt;code&gt;end&lt;/code&gt; is<a name="line.46"></a>
<span class="sourceLineNo">047</span>     *  greater than the length of &lt;code&gt;value&lt;/code&gt;<a name="line.47"></a>
<span class="sourceLineNo">048</span>     */<a name="line.48"></a>
<span class="sourceLineNo">049</span>    public static int[] find(String value, char sep, int start, int end) {<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>        // Count occurrences<a name="line.51"></a>
<span class="sourceLineNo">052</span>        int count = 0;<a name="line.52"></a>
<span class="sourceLineNo">053</span>        for (int i = start; i &lt; end; i++) {<a name="line.53"></a>
<span class="sourceLineNo">054</span>            if (value.charAt(i) == sep)<a name="line.54"></a>
<span class="sourceLineNo">055</span>                count++;<a name="line.55"></a>
<span class="sourceLineNo">056</span>        }<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>        // Allocate array and record them<a name="line.58"></a>
<span class="sourceLineNo">059</span>        int[] positions = new int[count + 1];<a name="line.59"></a>
<span class="sourceLineNo">060</span>        if (count &gt; 0) {<a name="line.60"></a>
<span class="sourceLineNo">061</span>            int j = 0;<a name="line.61"></a>
<span class="sourceLineNo">062</span>            for (int i = start; i &lt; end; i++) {<a name="line.62"></a>
<span class="sourceLineNo">063</span>                if (value.charAt(i) == sep) {<a name="line.63"></a>
<span class="sourceLineNo">064</span>                    positions[j++] = i;<a name="line.64"></a>
<span class="sourceLineNo">065</span>                    if (j == count)<a name="line.65"></a>
<span class="sourceLineNo">066</span>                        break;<a name="line.66"></a>
<span class="sourceLineNo">067</span>                }<a name="line.67"></a>
<span class="sourceLineNo">068</span>            }<a name="line.68"></a>
<span class="sourceLineNo">069</span>        }<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span>        // Done<a name="line.71"></a>
<span class="sourceLineNo">072</span>        positions[count] = end;<a name="line.72"></a>
<span class="sourceLineNo">073</span>        return positions;<a name="line.73"></a>
<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
<span class="sourceLineNo">075</span>}<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>




























































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